The paper presents an overview of the several sources used by researchers in economics and related fields. It shows the features and advantages of these sources, the characteristics than in this discipline have books, articles and journals, as well as how they are ranked and how impact...

The article studies the relation between the 1997 crisis and the diversification of the 5 main business groups in Colombia. The entropy measure of diversification did not fall during the crisis, which agrees with the risk-sharing hypothesis of business groups. Diversification fell after the...

The article studies the diversification behavior of four large diversified Colombian business groups five years before and after the 1991 trade opening, as measured by the entropy index. It is shown that the trade opening did not lead the business groups to reduce their diversification but...

This article surveys the literature on risk aversion in medical decision making. Risk aversion concepts are presented in the frameworks of Subjective Expected Utility and Rank Dependent Expected Utility theories. The methodologies for measuring risk aversion and its applications to clinical...

A framework is proposed for analyzing the structure of a diversified business group, according to the function of firms in the group. The areas are: cash sources, financial firms (that facilitate cash flows among firms), firms allowing to keep property and control of the group, high expected...

A decision tree is used to assess the cost effectiveness of adding the type B natriuretic peptid to the revised Lee index of cardiovascular risk. The Lee=3 strategy is cost effective for a WTP lower than Col $11.292.903 at a cost per patient of Col $79.452. Lee strategy with a threshold of 3 has...

Introduction: An estimated 1,399 new cases of pancreatic cancer (PC) and 1,406 deaths from the same cause occurred in Colombia in 2002. We evaluate the cost-effectiveness of multidetector computed tomography (CT), endoscopic ultrasonography (EUS) and positron emission tomography with computed...